Jailbreak

Cydia

With a new jailbreak tweak called SideSettings by iOS developer Joel Einbinder, you will be able to easily access your Settings application without ever actually leaving the application you’re already in. This is very handy for when you need to make on-the-spot changes, such as enabling location services for a specific application.

SideSettings works with Activator, letting you set an Activator action of your choice to reveal the Settings application from the left side of the display. The interface you’re in, whether it’s the home screen, or an application, will still appear on the right side of the display, and you can tap on it to return to it and close the Settings application.

For applications where there are settings to configure in the Settings application, that preferences pane for that application will launch by default. For example, if you’re in Apple’s Messages application and you use the Activator action to get to the Settings application, Settings will launch with the Messages preferences pane loaded. On the other hand, you can still navigate the entire Settings application from the SideSettings view, so you’re not locked down to only that preferences pane.

It's pretty handy to be able to access your device's settings without leaving the application you're in. For those interested this neat tweak, it's available right now in Cydia's BigBoss repository for $1.99. It works with iOS 6.0 and later on every non-iPad device.

I think that you guys are missing the point of this Tweak. Lets say you want to turn on private browsing for Safari.
Normally you would go:
safari -> homescreen -> settings -> safari table -> private browsing -> home screen -> safari

With SideSettings, you don't even have to leave safari. And it opens up the safari settings automatically:
safari -> safari table -> private browsing -> safari

This may seem like a small change, but it works with every app that has a settings page, and I've found that it makes it a lot easier to change settings on my device. Although I may be a little bit biased.